Home / 14,278,420,560.38-19,683,453,495.05-9,978,283,312.86

Finding the Fourth Proportional to 14,278,420,560.38, 19,683,453,495.05 and 9,978,283,312.86

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Solution

The fourth proportional to 14,278,420,560.38, 19,683,453,495.05 and 9,978,283,312.86 is: 13,755,518,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,420,560.38 : 19,683,453,495.05 = 9,978,283,312.86 : x
  2. Step 2: Convert to fraction form
    14,278,420,560.38/19,683,453,495.05 = 9,978,283,312.86/x
  3. Step 3: Cross multiply
    14,278,420,560.38x = 19,683,453,495.05 × 9,978,283,312.86
  4. Step 4: Simplify right side
    14,278,420,560.38x = 196,407,075,549,063,348,224
  5. Step 5: Solve for x
    x = 196,407,075,549,063,348,224/14,278,420,560.38
  6. Step 6: Final answer
    x = 13,755,518,316.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.